Na farko 400 sansanonin na tari tara suna shirye don zafi- tsoma galvanizing jiyya.Jimlar adadin oda shine saitin tushe 2000 na tari.Ana amfani da irin wannan nau'in racks a cikin ajiyar abinci mai sanyi, yawan zafin jiki a cikin ɗakunan ajiya yawanci yana ƙasa da -18 ℃.
A cikin layinmu, akwai hanyoyi guda biyu don yin jiyya a saman, ɗayan shine foda-shafi, ɗayan yana yin galvanizing don yin lalatawar racks ɗinmu.Galvanizing yana da nau'i biyu: galvanizing sanyi da galvanizing mai zafi.Hot-tsoma galvanizing wanda aka shafi a cikin kayayyakin mu wannan lokaci yana da mafi kyau yi a kan lalata-resistant fiye da foda-shafi da sanyi galvanizing.Kuma shi ne mafi tsada wanda aka kwatanta da foda-shafi da sanyi galvanizing.
Me yasa yayi tsada haka?A ƙasa akwai tsari na galvanizing mai zafi-tsoma:
Shirye-shiryen Sama
Lokacin da ƙarfen da aka kera ya isa wurin da ake yin galvanizing, ana rataye shi ta waya ko sanya shi a cikin tsarin tarawa wanda za'a iya ɗagawa a motsa ta cikin tsari ta hanyar cranes na sama.Karfe sannan ya wuce ta jerin matakan tsaftacewa guda uku;degreasing, pickling, da juyi.Degewa yana kawar da datti, mai, da sauran abubuwan da suka rage, yayin da wanka mai tsinin acidic zai cire sikelin niƙa da baƙin ƙarfe oxide.Matakin shirye-shiryen saman na ƙarshe, mai jujjuyawa, zai cire duk wani abu da ya rage kuma ya lulluɓe karfe tare da Layer na kariya don hana duk wani haɓakar oxide kafin galvanizing.Shirye-shiryen da ya dace yana da mahimmanci, saboda zinc ba zai amsa da karfe mara tsabta ba.
Galvanizing
Bayan shirya saman, ana tsoma karfe a cikin narkakken (830 F) wanka na akalla 98% zinc.Ana saukar da ƙarfe a cikin kettle a wani kusurwa wanda ke ba da damar iska ta tsere daga sifofin tubular ko wasu aljihu, kuma zinc ta shiga ciki, sama, kuma ta cikin duka yanki.Yayin da aka nutsar da shi a cikin kettle, baƙin ƙarfe a cikin ƙarfen ƙarfe yana yin amsa da zinc don samar da jeri na tsaka-tsakin tsaka-tsakin zinc-baƙin ƙarfe da babban Layer na tutiya mai tsafta.
Dubawa
Mataki na ƙarshe shine dubawa na sutura.Za'a iya samun daidaiton ƙayyadaddun ƙayyadaddun ingancin sutura ta hanyar dubawa na gani, kamar yadda zinc ba ya amsawa tare da karfe maras tsabta, wanda zai bar wani yanki maras kyau.Bugu da ƙari, ana iya amfani da ma'aunin kauri na maganadisu don tabbatar da kauri mai rufi ya dace da ƙayyadaddun buƙatun.
Lokacin aikawa: Janairu-09-2023